| Ernst Enke (German, active second half of 19th century) Portrait of Alfred Stieglitz 1883 Gelatin silver print 6 1/4 × 4 3/16 ins (15.9 × 10.6 cm) (image and sheet) Philadelphia Museum of Art From the Collection of Dorothy Norman, 1969, Accession Number: 1969-83-95 LL/71544
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